Top trade officials reported progress, but no final deal, after negotiations this week in Singapore on the proposed Trans Pacific Partnership, or TPP. Advocates say the TPP would streamline commerce, boost the economy, and create jobs by coordinating regulations and removing non-tariff barriers for 12 Pacific nations from America to Vietnam. But U.S. critics say some of those "barriers" are hard-won protections for consumers, the environment, and workers. VOA’s Jim Randle reports.